Thread Identification Guide

Important: This is intended as a guide only to machine types, country of origin, thread form and example thread series numbers. Changes made by OEM’s or End User’s may prove otherwise. Always check for yourself.

MACHINE TYPE	COUNTRY OF ORIGIN	THREAD FORM
Atlas Cranes	German	DKL/DKS
Atlas Excavators	German	DKL/DKS/Flange
Belarus Tractor	Russian	DKLL
Biteli	Italy	DKL/DKS/DKO
Bobcat	American	JIC
Bomag	German	DKL/DKS/DKO
Case	American	JIC/NPT/ORFS/Flange
Caterpillar	American	JIC/NPT/ORFS/Flange
Cougar	American	JIC/NPT
Clarke Michigan	American	JIC/NPT
Demag	German	DKL/DKS/DKO/Flange
Ditchwitch	American	JIC/NPT/ORFS
Dynapac	Sweden	DKL/DKS/DKO/Flange
Fiat	Italy	DKL/DKS
Finlay	British	BSP
Ford B/Hoe	American	JIC
Gradall	American	JIC/NPT/ORFS
Grove Cranes	American	JIC/NPT/ORFS/Flange
Hanamag	German	DKL/DKS/DKO
Hitachi	Japan	ORFS/Flanges
J.C.B.	British	BSP
John Deere	American	ORFS/Flange
Hiabb	British	BSPP Flatface
Kato	Japan	BSP/Flange
Kobelco	France	Millimetrique/Flange
Koehring	American	JIC/NPT/Flange
Komatsu	Japan	JIS Metric/Flange
Dramer B/Hoe	German	DKL/DKS/DKO
Drupp Cranes	German	DKL/DKS/DKO
Kubota	Japan	BSP
Liebherr	German	DKL/DKS/DKO/Flange
Linkbelt	British/American	BSP/Flange/JIC/NPT
Manato	Japan	JIS (BSPP)
Massey Ferguson	American	JIC/NPT
Mitsubishi-mobile	Japan	JIS(BSPP)
Mitsubishi-industrial	Japan	JIS (BSPP) /BSPP
Mustang	American	JIC
O & K	German	DKL/DKS/DKO/Flange
P & H	German	JIS (BSPP) /Flange
Poclain	French	GAZ/DKL/DKS/Flange
Power Screen	British	BSP
Terex	American	JIC/NPT/Flange
Vibromax	German	DKL/DKS/DKO
Volvo	Sweden	DKL/DKS/DKO/Flange
Zetor Tractor	Yugoslavia	DKL/DKS/DKO

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